新增场地展位管理功能，包括展位图查询、保存、预定及调换功能，新增相关数据模型及数据库表结构

ruoyi-bussiness/src/main/java/com/ruoyi/cms/domain/VenueBooth.java

@@ -0,0 +1,32 @@
+package com.ruoyi.cms.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.ruoyi.common.core.domain.BaseEntity;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+@Data
+@ApiModel("场地展位")
+@TableName("cms_venue_booth")
+public class VenueBooth extends BaseEntity
+{
+    private static final long serialVersionUID = 1L;
+
+    @TableId(value = "id", type = IdType.AUTO)
+    private Long id;
+
+    @ApiModelProperty("场地ID")
+    private Long venueId;
+
+    @ApiModelProperty("展位号")
+    private String boothNumber;
+
+    @ApiModelProperty("X坐标")
+    private Integer positionX;
+
+    @ApiModelProperty("Y坐标")
+    private Integer positionY;
+}